(10167) Yoshiwatiso Main-belt Asteroid
Discovered on 31 January 1995 by T. Seki at Geisei.
Yoshikazu Watanabe (b. 1953; Iso was his mother's maiden name) was a leading meteor observer in Japan. He is a council member of the Oriental Astronomical Association and a successful surveyor of historical records of comets and meteors in the modern Japanese era. The name was suggested by the discoverer and I. Hasegawa.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yoshiwatiso is today
Seen from above the solar system on 2026-10-14: Yoshiwatiso is 2.10 au from the Sun and 2.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10167 |
| Provisional designation | 1995 BQ15 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.21 km (#12,238 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.477 |
| Rotation period | 6.31 hours |
| Absolute magnitude (H) | 14.07 |
| Orbital period | 3.83 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 2.08 – 2.82 au |
| Eccentricity | 0.153 |
| Inclination | 3.26° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Yoshikazu
All asteroids named after someone called Yoshikazu